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| author | Ingo Molnar <mingo@kernel.org> | 2015-10-12 15:52:34 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-10-12 15:52:34 +0300 |
| commit | cdbcd239e2e264dc3ef7bc7865bcb8ec0023876f (patch) | |
| tree | 94f5d2cf92ebb2eee640862cb2beaab6503bf846 /drivers/tty/n_tty.c | |
| parent | 6e06780a98f149f131d46c1108d4ae27f05a9357 (diff) | |
| parent | 7e0abcd6b7ec1452bf4a850fccbae44043c05806 (diff) | |
| download | linux-cdbcd239e2e264dc3ef7bc7865bcb8ec0023876f.tar.xz | |
Merge branch 'x86/ras' into ras/core, to pick up changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/tty/n_tty.c')
| -rw-r--r-- | drivers/tty/n_tty.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 20932cc9c8f7..b09023b07169 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -343,8 +343,7 @@ static void n_tty_packet_mode_flush(struct tty_struct *tty) spin_lock_irqsave(&tty->ctrl_lock, flags); tty->ctrl_status |= TIOCPKT_FLUSHREAD; spin_unlock_irqrestore(&tty->ctrl_lock, flags); - if (waitqueue_active(&tty->link->read_wait)) - wake_up_interruptible(&tty->link->read_wait); + wake_up_interruptible(&tty->link->read_wait); } } @@ -1382,8 +1381,7 @@ handle_newline: put_tty_queue(c, ldata); smp_store_release(&ldata->canon_head, ldata->read_head); kill_fasync(&tty->fasync, SIGIO, POLL_IN); - if (waitqueue_active(&tty->read_wait)) - wake_up_interruptible_poll(&tty->read_wait, POLLIN); + wake_up_interruptible_poll(&tty->read_wait, POLLIN); return 0; } } @@ -1667,8 +1665,7 @@ static void __receive_buf(struct tty_struct *tty, const unsigned char *cp, if ((read_cnt(ldata) >= ldata->minimum_to_wake) || L_EXTPROC(tty)) { kill_fasync(&tty->fasync, SIGIO, POLL_IN); - if (waitqueue_active(&tty->read_wait)) - wake_up_interruptible_poll(&tty->read_wait, POLLIN); + wake_up_interruptible_poll(&tty->read_wait, POLLIN); } } @@ -1887,10 +1884,8 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old) } /* The termios change make the tty ready for I/O */ - if (waitqueue_active(&tty->write_wait)) - wake_up_interruptible(&tty->write_wait); - if (waitqueue_active(&tty->read_wait)) - wake_up_interruptible(&tty->read_wait); + wake_up_interruptible(&tty->write_wait); + wake_up_interruptible(&tty->read_wait); } /** |